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astro-ph.HE2025
How the spin-phase variability of cyclotron lines shapes the pulsed fraction spectra: insights from 4U 1538-52
Dimitrios K. Maniadakis, Ekaterina Sokolova-Lapa, Antonino D'Aì +15
We study the energy-dependent pulse profile of 4U 1538-52 and its phase-dependent spectral variability, with emphasis on the behavior around the cyclotron resonant scattering featu…
astro-ph.HE2025★ 6 cited
Energy-resolved pulse profile changes in V 0332+53: Indications of wings in the cyclotron absorption line profile
Antonino D'Aì, Dimitrios K. Maniadakis, Carlo Ferrigno +15
We aim to investigate the energy-resolved pulse profile changes of the accreting X-ray pulsar V 0332+53, focusing in the cyclotron line energy range, using the full set of availabl…